Methyl 4-(butyrylamino)-5-methyl-2-nitrobenzoate
نویسندگان
چکیده
The title compound, C(13)H(16)N(2)O(5), is useful as an inter-mediate in the field of agrochemicals. Intra-molecular C-H⋯O hydrogen bonds result in the formation of one six- and one five-membered nearly planar ring; the six-membered ring is also nearly coplanar with the adjacent benzene ring. In the crystal structure, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules.
منابع مشابه
Methyl 2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-4-nitrobenzoate
The six-membered boronate ester ring of the title compound, C(13)H(16)BNO(6), adopts an envelope conformation with the C atom bearing the dimethyl substituents at the flap. The O-B-C-C torsion angles between the boronate group and the benzene ring are 72.5 (2) and 81.0 (2)°. The 4-nitro-benzoate unit adopts a slightly twisted conformation, with dihedral angles between the benzene ring and the n...
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Four mol-ecular salts made from hexa-methyl-ene-tetra-minium and 2-chloro-4-nitro-benzoate have been synthesized and are reported, namely ammonium hexa-methyl-ene-tetra-minium bis-(2-chloro-4-nitro-benzoate), NH4+·C6H13N4+·2C7H3ClNO4-, (I), hexa-methyl-ene-tetra-minium hydrogen bis-(2-chloro-4-nitro-benzoate), 0.5C6H13N4+·C7H3.50ClNO4-, (II), hexa-methyl-ene-tetra-minium 2-chloro-4-nitro-benzoa...
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In the title compound, C(8)H(6)ClNO(4), the nitro and acet-oxy groups attached to the benzene ring at neighbouring positions are twisted from its plane by 29.4 (1) and 49.7 (1)°, respectively. In the crystal, weak C-H⋯O hydrogen bonds link mol-ecules into layers parallel to (101). The crystal packing exhibits short inter-molecular C⋯O distances of 2.925 (3) Å.
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The asymmetric unit of the title compound, C(12)H(14)ClNO(6), contains two crystallographically independent mol-ecules, in which the benzene rings are oriented at a dihedral angle of 9.12 (3)°. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network.
متن کاملMethyl 2-hydroxy-3-nitrobenzoate
The title compound, C(8)H(7)NO(5), assumes an approximately planar mol-ecular structure with an intra-molecular O-H⋯O hydrogen bond between the hydr-oxy and carboxyl-ate groups. Weak inter-molecular C-H⋯O hydrogen bonding is present in the crystal structure.
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